Drugs Ch. 5- Depressants
When endorphins reach receptor cites in the CNS they...
Relieve pain
At low doses alcohol acts as a
Stimulant with energizing and euphoric effects
People who drink on a regular basis become become tolerant to
The unpleasant effects
Synthetic opiates like oxycodone are illegal because
They are difficult to adulterate
alcohol doesn't create a physical dependency but a
psychological dependency
Rohypnol has been banned in the US after being used in
Date rapes
Endorphin deficiency can be a result of genetics or
Excessive opiate use
Morphine is used in medicine but
Heroin is banned in the US
Alcohol causes a pleasant feeling because
It triggers the release of endorphins and eases short term anxiety
Heroin depresses respiratory centers in the brain leading to respiratory arrest and death due to
Lack of oxygen to the brain
Endorphins have many characteristics of
Morphine
Heroin is converted from
Morphine
Morphine is classified as a
Narcotic
Morphine is extracted from
Opium
Endorphin receptors interrupt
Pain messages to the brain
Genes don't cause a person to become an alcoholic but they
Produce a predisposition to respond to it in a certain manner
Relationship between chemical deficiencies and
Propensity for addiction to depressants
Depressants include
Alcohol, barbituates, sedatives, narcotics
Morphine's medical use:
Analgesic
Heroin has what properties
Analgesic and euphoric
Endorphin deficiency makes one vulnerable to
Becoming dependent on depressants
Valium is a
Benzodiazepine
Barbiturates for anxiety and insomnia have been replaced with
Benzodiazepines
Long time heroin users take the drug to feel normal because
Changes in brain function persist long after the user stops
Barbiturates are used in medicine to
Control seizures/surgical anesthesia
